CAMBRIDGE, Mass. — There’s a new war raging in health care, with hundreds of millions of dollars at stake and thousands of lives in the balance. The battle, pitting drug companies against doctors and patient advocates, is being fought over the unlikeliest of substances: human excrement. The clash is over the future of fecal microbiota… Read More »

Aleksandr Davydov / Alamy By Clare Wilson A WIDELY used blood pressure medicine could help people overcome post-traumatic stress disorder (PTSD). The drug seems to make it easier for people to learn to stop being afraid of a past experience. It successfully helped people in a lab test lose a mild fear they had just… Read More »